The Matco Tools 1/2 Drive 12 Point 5 Pinless Impact Socket Set includes three pieces, each featuring a black oxide surface finish for corrosion resistance. With a drive size of 1/2 inch and a 6 point drive type, these sockets are designed for high performance and durability. Perfect for automotive use, this set of sockets from Matco Tools is a reliable addition to any mechanic’s tool collection. missing 1/2 inch